'use strict';
const path = require('path');
const defaultSettings = require('./src/settings.js');

function resolve(dir) {
  return path.join(__dirname, dir);
}

require('events').EventEmitter.defaultMaxListeners = 0;

const name = defaultSettings.title || '飞骥管理系统'; // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following method:
// port = 9527 npm run dev OR npm run dev --port = 9527
const port = process.env.port || process.env.npm_config_port || 10086; // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: './',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: true,
  devServer: {
    // port: port,
    // open: true,
    // overlay: {
    //   warnings: false,
    //   errors: true
    // },
    // before: require('./mock/mock-server.js')
    host: 'localhost',
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true,
    },
    // before: require('./mock/mock-server.js'),
    proxy: {
      '/iam/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/iam/': '/iam/',
        },
      },
      '/schl/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/schl/': '/schl/',
        },
      },
      '/spfm/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/spfm/': '/spfm/',
        },
      },
      '/sgoo/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/sgoo/': '/sgoo/',
        },
      },
      '/oauth/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/oauth/': '/oauth/',
        },
      },
      '/ssdr/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/ssdr/': '/ssdr/',
        },
      },
      '/sfle/': {
        target: process.env.VUE_APP_BASE_API,
        // target: 'http://192.168.124.146:8110', // 李晓阳
        changeOrigin: true,
        pathRewrite: {
          '^/sfle/': '/sfle/',
        },
      },
      '/hagd/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/hagd/': '/hagd/',
        },
      },
      '/smsg/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/smsg/': '/smsg/',
        },
      },
      '/lgit/': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: {
          '^/lgit/': '/lgit/',
        },
      },
    },
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,

    resolve: {
      extensions: ['.js', '.vue', '.json', '.css'],
      alias: {
        vue$: 'vue/dist/vue.esm.js',
        '@': resolve('src'),
      },
    },
    devtool: 'source-map',
  },
  chainWebpack(config) {
    // it can improve the speed of the first screen, it is recommended to turn on preload
    // it can improve the speed of the first screen, it is recommended to turn on preload
    config.plugin('preload').tap(() => [
      {
        rel: 'preload',
        // to ignore runtime.js
        // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
        include: 'initial',
      },
    ]);

    // when there are many pages, it will cause too many meaningless requests
    config.plugins.delete('prefetch');
    // when images size < 5 kb ，turn to base64
    config.module
      .rule('images')
      .use('url-loader')
      .loader('url-loader')
      .tap(options => Object.assign(options, { limit: 5 * 1024 }));

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end();
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]',
      })
      .end();

    config.when(process.env.NODE_ENV !== 'development', config => {
      config
        .plugin('ScriptExtHtmlWebpackPlugin')
        .after('html')
        .use('script-ext-html-webpack-plugin', [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/,
          },
        ])
        .end();
      config.optimization.splitChunks({
        chunks: 'all',
        cacheGroups: {
          libs: {
            name: 'chunk-libs',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: 'initial', // only package third parties that are initially dependent
          },
          elementUI: {
            name: 'chunk-elementUI', // split elementUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true,
          },
        },
      });
      // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
      config.optimization.runtimeChunk('single');
    });
  },
  css: {
    loaderOptions: {
      scss: {
        prependData: `@import "~@/styles/variables.scss";`,
      },
    },
  },
};
